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alexdok [17]
3 years ago
8

What energy transformations occur when using a curling iron?

Chemistry
2 answers:
erastovalidia [21]3 years ago
8 0

Explanation:

Electrical energy is transformed to heat energy when the curling iron stays on. Heat energy is transferred to the hair that is being curled.

gogolik [260]3 years ago
3 0

Answer:

chemical energy to thermal energy

Explanation:

Then the person must click the on button once this occurs the electrical energy is transformed into thermal energy. There are other types of flat irons such as using water to create steam to straighten the hair or using a chemical called butane this is chemical energy which is later transformed into thermal energy.

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In the laboratory, a student dilutes 18. 9 ml of a 10. 0 m perchloric acid solution to a total volume of 250. 0 ml. what is the
Sever21 [200]

The concentration of diluted solution is 0.756M.

From the question given above, the following data were obtained:

Volume of stock solution (V1) = 18.9 mL

Molarity of stock solution (M1) = 10 M

Volume of diluted solution (V2) = 250 mL

Molarity of diluted solution (M2) =?

We can obtain the molarity of the diluted solution by using the dilution formula as shown follow:

M1V1 = M2V2

10 × 18.9 = M2 ×250

189 = M2 × 250

Divide both side by 100

M2 = 189 / 250

M2 = 0.756 M

Therefore, the molarity of the diluted solution is 0.756 M.

Thus the concluded that concentration of the dilute acid is 0.756 M.

Learn more about concentration of diluted solution: brainly.com/question/10725862

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7 0
1 year ago
What process is used to refine aluminum from its ore bauxite?
Murljashka [212]

Answer:

D. Smelting

Explanation:

Bauxite is the aluminum ore from which alumina, also known as aluminum oxide, Al₂O₃, is produced. Bauxite is extracted from the topsoil regions of some subtropical and tropical regions, and the Bayer process is primarily then used to produce alumina from the bauxite.

Aluminum is produced from the alumina by an aluminum smelting process known as the Hall—Heroult electrolytic process which involves the use of a carbon anode and direct current to produce aluminum by reducing the aluminum oxide

7 0
3 years ago
How is the electron cloud model different from Bohr's atomic model?
Cerrena [4.2K]
In the electron cloud model, the atoms are in unpredicted places. But in the Bohr model, atoms are in "rows"
7 0
3 years ago
Examine the layers of rock. Which layer shown contains the youngest fossils, and why?
kiruha [24]

Answer:

Layer A is the youngest

It is at the top, it has all of the dinosaur bones which got buried after earth got hit with an asteroid and they went extinct. Layer D started it and all of these years dirt, soil, and fossils have been gathering making each layer before older and older.

I need brainliest to rank up

Explanation:

7 0
3 years ago
Read 2 more answers
Characteristics of metals?
denis23 [38]
Malleable, conducts electricity, shiny, hard
hope this helps!
7 0
3 years ago
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